[R] R help

On 28/04/2008 9:47 PM, Debasish Roy wrote:
> I tried to read a dataset and then draw a histogram with a freqeuncy density curve fitted on the top of this.
> I used the command
>> res <- read.table("C:/Documents and Settings/db/Desktop/res.dat")
> and found
>> res[1:5]
> V1 V2 V3 V4 V5
> 1 -0.4806 0.5075 0.0491 -0.7985 -0.666
> Then I got the following when I troied to plot it
>> hist(res)
> Error in hist.default(res) : 'x' must be numeric
>> Even I tried
>> hist(res[,2])
> which is showing a blank plot.
I'd guess it's not a blank plot, it's simply a histogram with one big
bar taking up the whole of the plot. As others have mentioned, you only
have one observation in each column.
By the way, using a more informative subject line would be helpful.
Most of the messages in the R-help mailing list are about R help.
Duncan Murdoch
> My suspision is something is wrong in the way the data was read (with V1, V2, V3 etc). Can someone please help me how to get rid of this problem ?
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